News tagged with sea urchins

Marine reserves mend food chains, link by link

(PhysOrg.com) -- Conservation managers need to take a long-term view when assessing the value of marine protected areas, according to a paper in today’s Proceedings of the National Academy of Sciences of the ...

dateFeb 23, 2010 in Environment
shares0 comments 0

Echinoderms contribute to global carbon sink

The impact on levels of carbon dioxide in the Earth's atmosphere by the decaying remains of a group of marine creatures that includes starfish and sea urchin has been significantly underestimated.

dateJan 08, 2010 in Environment
shares0 comments 7

Coral comeback: Reef 'seeding' in the Caribbean

Mats of algae and seaweed have shrouded the once thick coral in shallow reefs off Jamaica's north coast. Warm ocean waters have bleached out the coral, and in a cascade of ecological decline, the sea urchins ...

dateFeb 26, 2013 in Environment
shares0 comments 4

Calcium carbonate and climate change

(PhysOrg.com) -- What links sea urchins, limestone and climate change? The common thread is calcium carbonate, one of the most widespread minerals on Earth. UC Davis researchers have now measured the energy changes among ...

dateAug 30, 2010 in Earth Sciences
shares0 comments 3

Sea urchins see with their whole body

Many animals have eyes that are incredibly complex – others manage without. Researchers at the University of Gothenburg have shown that sea urchins see with their entire body despite having no eyes at ...

dateJun 30, 2011 in Plants & Animals
shares0 comments 2

A crystal clear view of chalk formation

(PhysOrg.com) -- It has a beautiful, but also an unpleasant side: crystallization determines the shape of precious stones, but also causes the lime scale in washing machines. How this comes about, has been ...

dateJan 23, 2009 in Condensed Matter
shares0 comments 0